Power boiler - Study guides, Class notes & Summaries

ABSA 3B1 Practice Questions and Answers with Solutions 100% Correct | updated 2024 (983 Verified Q&A) CHAPTER 1 - Number of questions on exam - 7 Chapter 1 Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour a. 2300 kg to 65000 kg per hour The main advantage of the packaged boiler is its _____ _____. a. small size b. compact design c. low cost d. quality st...

ABSA B1 Study Bank Questions with Complete Solutions 100% Verified Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - Correct Answer A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - Correct Answer C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,...

Power Engineering 4th Class - A12 Questions and Answers Rated A+ Natural draft is produced in a boiler furnace when: a. Hot flue gases condense b. Gases in the stack have more mass than an equal column of outside air c. Gases in the stack have less mass than an equal column of outside air d. Hot flue gases contract so that each cubic meter has more mass c If the power is cut off to an automatic gas valve, the valve will: a. Open widely b. De-pressurize the gas train c. Close im...

Power Engineering - 4B (Part 2) 1080 Study Questions with Complete 100% Verified Answer Latest Updated 2024/2025 Activated carbon is produced from carbonaceous material such as: 1. coal 2. wood 3. magnesium 4. coconut shells 5. peat a. 1, 3, 4, 5 b. 1, 2, 4, 5 c. 1, 2, 3, 5 d. 2, 3, 4, 5 e. 1, 2, 3, 4 - Correct Answer b. 1, 2, 4, 5 Pitting of boiler metal may be prevented by a. agitating the feed water before it enters the boiler b. the addition of sodium sulphate to the feed...

Stationary Engineer Questions and Answers Already Passed How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? 7 feet On a gas fired boiler what is the proper gas to air mixture 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? TH=(Ca x 2.5...

Power Engineering Technology (Pet Yr. 1): 4a High Pressure Boilers Exam 100% Pass A characteristic that made early boilers very inefficient was: a. small heating surface b. an excess of flat surfaces c. the internal furnace d. lack of good quality fuels a A hot water boiler is considered a high temperature water boiler when: a. it's design pressure is less than 1100kPa b. it's operating temperature is greater than 120 degrees celsius c. it's operating temperature is less th...

4th Class Power Engineering Unit A12: Elements of Boiler Systems Questions and Answers 100% Pass In falling shot cleaning, iron shot or pellets, _________ mm in diameter fall by gravity: Select one: a. 6 b. 9 c. 3 d. 12 a With this system, not electrical power is required to feed make-up water to the boiler: Select one: a. gravity return system b. pump return system c. low flow return system d. high side return system a Combustion air provide din addition to primary and ...

Stationary Engineer Exam Questions and Answers Latest 2024/2025 (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hard...

Stationary Engineer Exam Questions and Answers Latest (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 1...

4th Class Power Engineering Unit A12 Elements of Boiler Systems questions and answers